Well Data Manager / Well Summary / 21/11- 6

21/11- 6

Decommissioned

Well Header

Well No
21/11- 6
NSTA DEN No
5545
Well Name
--
Drill Seq No
6
Quadrant / Block
21 / 11
Surface Location
57.527608, 0.079826
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
SPIRIT ENERGY NORTH SEA OIL LIMITED
Original Operator
--
Sub Area Operator
SPIRIT ENERGY NORTH SEA OIL LIMITED
Licence No
P883
Licence Type
Production
Spud Date
1995-06-14
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

21/11- 6 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
F
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.990
Ground Elev (m)
--
Water Depth (m)
91.74
TD MD (m)
2133.600
TD TVDSS (m)
2108.610
TD Datum Depth (m)
25.908
TD Datum Type
Rotary Table
Spud Date
1995-06-14
TD Reached
1995-06-29
Completion Date
1995-07-05
Release Date
1999-07-05
21/11- 6Z Sidetrack Z parent: 21/11- 6
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
F
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
91.74
TD MD (m)
2133.600
TD TVDSS (m)
2108.606
TD Datum Depth (m)
24.994
TD Datum Type
Rotary Table
Spud Date
1995-07-05
TD Reached
1995-07-12
Completion Date
1995-07-19
Release Date
1999-07-19

Formation Tops (40)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/11- 6 Horda Cenozoic 118.000 93.010 Lloyds Register
Stronsay Cenozoic 118.000 93.010 Lloyds Register
Lower Tay Sandstone 1291.000 1265.775 Lloyds Register
Balder Cenozoic 1317.000 1291.769 Lloyds Register
Moray Mesozoic 1317.000 1291.769 Lloyds Register
Sele Mesozoic 1384.000 1358.755 Lloyds Register
Lista Mesozoic 1442.000 1416.744 Lloyds Register
Montrose Mesozoic 1442.000 1416.744 Lloyds Register
Balmoral Sandstone Cenozoic 1442.000 1416.744 Lloyds Register
Maureen Mesozoic 1581.000 1555.725 Lloyds Register
Maureen Sandstone Mesozoic 1581.000 1555.725 Lloyds Register
Maureen Reworked Unit Mesozoic 1608.000 1582.720 Lloyds Register
Ekofisk Mesozoic 1618.000 1592.718 Lloyds Register
Chalk Mesozoic 1618.000 1592.718 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1639.000 1613.715 Lloyds Register
Cromer Knoll Mesozoic 1988.000 1962.691 Lloyds Register
Rodby Mesozoic 1988.000 1962.691 Lloyds Register
Sola 2012.000 1986.690 Lloyds Register
Valhall Mesozoic 2039.000 2013.688 Lloyds Register
Kimmeridge Clay 2058.000 2032.685 Lloyds Register
Humber Mesozoic 2058.000 2032.685 Lloyds Register
Heron Palaeozoic 2073.000 2038.180 Lloyds Register
Smith Bank Mesozoic 2073.000 2038.180 Lloyds Register
21/11- 6Z Balder Cenozoic 1318.000 1290.288 Lloyds Register
Moray Mesozoic 1318.000 1290.288 Lloyds Register
Balder Tuff Cenozoic 1318.000 1290.288 Lloyds Register
Sele Mesozoic 1385.000 1357.285 Lloyds Register
Montrose Mesozoic 1442.000 1414.282 Lloyds Register
Lista Mesozoic 1442.000 1414.282 Lloyds Register
Maureen Mesozoic 1581.000 1553.263 Lloyds Register
Ekofisk Mesozoic 1618.000 1590.255 Lloyds Register
Chalk Mesozoic 1618.000 1590.255 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1639.000 1611.249 Lloyds Register
Cromer Knoll Mesozoic 1988.000 1960.146 Lloyds Register
Rodby Mesozoic 1988.000 1960.146 Lloyds Register
Sola 2012.000 1984.138 Lloyds Register
Kimmeridge Clay 2058.000 2030.121 Lloyds Register
Humber Mesozoic 2058.000 2030.121 Lloyds Register
Smith Bank Mesozoic 2073.000 2045.115 Lloyds Register
Heron Palaeozoic 2073.000 2045.115 Lloyds Register

Lithology Intervals

21/11- 6Z Curve: SANDCOUNT 49 intervals  ·  MD 131.064 – 1987.601 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (25)
Limestone (24)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
21/11- 6 7 12 4 23 23 2 0 1 0 View
21/11- 6Z 6 10 1 18 17 1 0 0 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/11- 6 Cuttings 792.48 2133.6 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/11- 6 91.74479675292969 1676.4000244140625 10 0 2026-08-06 17:21:46.532431+00 View Log
21/11- 6Z 57.07379913330078 2132.609375 10 0 2026-08-06 17:21:50.573709+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/11- 6
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density ZDEN CGG Digital Well Logs 766.4196000000001 1650.7968 5804
caliper CAL CGG Digital Well Logs 765.6576 1653.0828000000001 5824
comp_sonic DT24 CGG Digital Well Logs 772.0584 1659.1788000000001 5822
deep_resistivity RD CGG Digital Well Logs 766.572 1670.1516000000001 5930
density_correction ZCOR CGG Digital Well Logs 766.4196000000001 1650.7968 5804
gamma_ray GR CGG Digital Well Logs 91.7448 1645.92 10199
micro_resistivity RMLL CGG Digital Well Logs 765.9624 1676.4 5975
neutron_por CNC CGG Digital Well Logs 766.2672 1644.8532 5766
pef PE CGG Digital Well Logs 766.4196000000001 1650.7968 5804
potassium K CGG Digital Well Logs 731.8248 1645.92 5999
shallow_resistivity RS CGG Digital Well Logs 766.572 1670.1516000000001 5930
thorium TH CGG Digital Well Logs 731.8248 1645.92 5999
21/11- 6Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density ZDEN CGG Digital Well Logs 2011.7562 2106.0918 620
caliper CAL CGG Digital Well Logs 2008.7082 2108.0730000000003 653
comp_sonic DT24 CGG Digital Well Logs 2008.5558 2112.1878 681
deep_resistivity RD CGG Digital Well Logs 2009.3178 2125.2942000000003 762
density_correction ZCOR CGG Digital Well Logs 2008.7082 2106.0918 640
gamma_ray GR CGG Digital Well Logs 57.073800000000006 2100.6054 13410
micro_resistivity RMLL CGG Digital Well Logs 2008.7082 2132.6094000000003 814
neutron_por CNC CGG Digital Well Logs 2008.5558 2100.6054 605
pef PE CGG Digital Well Logs 2009.775 2106.0918 633
shallow_resistivity RS CGG Digital Well Logs 2009.1654 2125.2942000000003 763

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/11- 6 69 2063.496 2038.180 D:\BigSpatial\nsta_raw\CGG_Deviation\21-11-6 22759ah_CGG-Deviation.xlsx
21/11- 6Z 70 2133.600 2105.689 D:\BigSpatial\nsta_raw\CGG_Deviation\21-11-6Z 24332ah_CGG-Deviation.xlsx

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